JP3031335U - Keyboard stand - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a keyboard stand for a computer that allows a user to easily adjust the position. When adjusting the position of the placing plate 3, when the push button 25 is pressed to press the coil spring 24 and the sleeve 23 to the left, the shaft 22 is also moved to the left at the same time, and the localization rod 223 has a completely concave hole. Remove from 123 or 216. Therefore, the connecting body 21 and the placing plate 3 can be adjusted by moving them up and down and back and forth. Since the ridges 124 or 218 fit into the holes 219 or 321, respectively, and are fixed at the selected pivot connection angle,
And prevent the placing plate 3 from rapidly rotating downward. When the finger pushing the push button 25 is released, the push button 25 is pushed to the right by the elasticity of the coil spring 24 and the shaft 22 is also moved to the right, so that the localization rod 223 is fitted in the appropriate recessed hole 123 or 216 and becomes the swivel seat 12. The connecting body 21 and the placing plate 3 are fixed at adjusted positions.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a keyboard stand for a computer.

[0002]

[Prior art]

 As shown in FIG. 11 and FIG. 12, a conventional keyboard stand is a swivel unit 10, a pivot connecting unit 20 provided under the swivel unit 10, and one end of the pivot connecting unit 20. It is composed of a mounting plate 30 on which a keyboard is provided. The swivel unit 10 includes a pedestal 101, a swivel seat 102 that is pivotally connected to the pedestal 101, and can swivel left and right, guide pieces 103 at the upper and left ends of the pedestal 101, and left and right swivel seats 102 And a hanging wall 104 extending downwardly. Also, the two proposal pieces 103 fit into the two U-shaped rails 4 fixed by screws under the top plate of the desk.

The placing plate 30 has L-shaped supporting bars 301 fixed on the left and right sides of the back surface thereof with screws, and the supporting bars 301 have side walls 302, respectively. The pivot connecting portion 20 includes a connecting body 201, a supporting plate 202 placed on both sides of the connecting body 201, a connecting body 201 and a supporting plate 202, a hanging wall 104 of the swivel seat 102, and a side wall 302 of the supporting bar 301. Two threaded rods 203 and 204 to be assembled in between, two sleeves 205 and 206 that fit into these threaded rods 203 and 204, and screw heads 207 and 208 that engage with the end screws of the threaded rods 203 and 204. Composed of. Then, when the screw head 207 or 208 is twisted, the sleeve 205 or 206 is pushed, and both ends of the connecting body 201 are closely fixed to the hanging wall 104 of the swivel seat 102 and the side wall 302 of the supporting bar 301.

When using a conventional keyboard stand as shown in FIGS. 11 and 12, the guide piece 103 of the base 101 is slid in the U-shaped rail 4 and the whole stand is pushed into the desk. Or pull it out. Further, the swivel seat 102 is rotated to adjust the left and right ends of the placing plate 30. In addition, the screw heads 207 and 208 are loosened to adjust the angle of pivotal connection between the swivel seat 102, the connecting body 201 and the placing plate 30 to move the placing plate 30 up and down and back and forth. After the adjustment, the screw heads 207 and 208 are firmly screwed to fix the placing plate 30 so as not to move. Then, the placing plate 30 can be adjusted to a position convenient for operating the keyboard.

[0005]

[Problems to be solved by the device]

 However, in the above-mentioned keyboard stand, when the swing plate 102, the connecting body 201, and the pivotal connection angle of the stand plate 30 are actually adjusted to bring the stand plate 30 to an appropriate position, the following is performed. There are drawbacks. (1) It is necessary to loosen or tighten the screw heads 207 and 208 before and after the adjustment.

(2) When loosening the screw heads 207 and 208, if the connecting body 201 and the placing plate 30 are not supported by hand, both of them will immediately rotate downward. In the worst case, even the keyboard may fall off the rest plate 30. (3) When tightening the screw heads 207 and 208, it is not clear how much tightening is appropriate. If the degree of adhesion is insufficient, the connecting body 201 and the placing plate 30 unexpectedly rotate downward. On the contrary, if they are too closely attached, the sleeves 205 and 206 are easily worn.

The present invention has been made to improve the above-mentioned drawbacks of the conventional keyboard stand.

[0008]

[Means for Solving the Problems]

 The present invention comprises a swivel part, a pivot connection part and a placing plate. The swivel unit is provided with a pedestal and a swivel seat below which is pivotally connected and can swivel left and right. The pivot connection consists of a connection, two shafts, two sleeves, two coil springs and two push buttons. The L-shaped support bars are fixed to the left and right under the mounting plate with screws.

The connecting body of the pivotal connecting portion is provided with protrusions extending rearward on both left and right sides thereof, and is connected to the lower end portions of both left and right side walls of the swivel seat by one shaft, and the connecting body is connected to the swivel seat. On the other hand, the vertical angle of the axis connection can be changed. The shaft also has a disk-shaped head at the left end, and a plurality of axially-spaced positioning rods inside the head. The left protrusion has a shaft hole and a plurality of holes around the shaft hole inside the shaft hole to allow the positioning rod to pass through. Around the shaft hole on the left side wall of the swivel seat, a recessed hole having several times the number of positioning rods is provided to selectively fit the end of the positioning rod. Also, attach a sleeve and coil spring that fit to the end of the shaft to the right side of the right protruding part of the connector, and screw a push button with a screw hole at the center to the screw part at the end of the shaft. Therefore, the shaft is always pushed to the right by the elastic force of the coil spring, and the positioning rod is selectively fitted into the hole on the left protrusion and the recess on the left side wall of the swivel seat, and the connecting body is tilted at a certain tilt angle with respect to the swivel seat. Hold it fixed to. If you push the push button with your finger to move it to the left, the coil spring will be compressed, while the sleeve will also be pushed and stopped outside the left protrusion, and the push button will not move. At this time, the shaft is pushed to the left at the same time, and the positioning rod is separated from the hole in the left protruding portion and the recessed hole in the left side wall of the swivel seat. Therefore, if the connecting body freely changes the inclination angle with respect to the swivel seat and then release the finger pressing the push button, the push button is pushed to the right by the elasticity of the coil spring and moves. At the same time, the push button and the screwed shaft also move to the right, and the positioning rod selectively fits into the hole on the left protrusion and the recess on the left side wall of the swivel seat, and the connecting body moves to the newly adjusted position. Fixed to.

Further, the front end portion of the connecting body is pivotally connected to the two L-shaped support bars fixed below the mounting plate by another shaft, sleeve, coil spring and push button. In addition, the angle at which the placing plate inclines vertically with respect to the connecting body can be adjusted. Therefore, the tilt angle of the stand plate can be adjusted double with respect to the swivel seat, and it can be swung to the left and right.

[0011]

DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 to 4, a keyboard stand according to an embodiment of the present invention is connected to a swivel unit 1, a pivot connecting unit 2 provided under the swiveling unit 1, and a front end of the pivot connecting unit 2. It is composed of a mounting plate 3 and

The swivel unit 1 is composed of a seat 11 and a swivel seat 12 which is connected to the underside of the seat 11 by a pivot so as to be swiveled. Guide pieces 111 are provided on both left and right sides of the base 11, and left and right side walls 121 and 122 extending downward are provided on both left and right sides of the swivel seat 12. The two guide pieces 111 are inserted into the two U-shaped rails 4 fixed to the back surface of the desk top plate with screws.

A keyboard is placed on the upper surface of the placing plate 3, and L-shaped supporting bars 31 and 32 are fixed to the lower left and right sides thereof with screws, respectively. The pivot connecting portion 2 is composed of a connecting body 21, a shaft 22, a sleeve 23, a coil spring 24, and a push button 25. Left and right protrusions 211 and 212 extending rearward are provided on both left and right sides of the connecting body 21. A horizontal mating portion 213 is provided on the front portion of the connecting body 21. One of the two shafts 22 laterally penetrates the left and right side walls 121 and 122 and the protrusions 211 and 212, and the other penetrates the two L-shaped support bars 31 and 32 and the fitting portion 213. To do. A sleeve 23 fits on the distal end of the shaft 22. There is a screw hole 251 in the center of the push button 25, and the screw hole 251 is screwed into the screw portion 221 at the end of each shaft 22 so that the push button 25 can move left and right at the same time as the shaft 22. The coil spring 24 fits into the sleeve 23, one end of which is pressed to the right outside of the fitting portion 213, and the other end of which is pressed to the push button 25. Each of the two shafts 22 has a disk-shaped head 222, and a plurality of positioning rods 223 are axially provided inside the head 222. The positioning bar 223 passes through the plurality of holes 214 of the protruding portion 211 or the plurality of holes 311 of the left L-shaped support 31 and is several times larger than the positioning bar 223 provided on the left side wall 121 or the left side plate 215. The positioning rod 223 is positioned by selectively fitting into the number of recessed holes 123 or 216. Therefore, the shaft 22 is also fixed. Referring to FIG. 5, the distal end of each positioning rod 223 forms an inclination angle at its outer edge, and the inner surface of the front end of each recess 123 or 216 is inclined at the same angle as the distal inclined portion of the positioning rod 223. The positioning bar 223 is positioned so that the two parts are tightly fitted and do not loosen. Besides, the right side wall 122 and the right side plate 217 of the fitting portion 213 are provided with a plurality of protrusions 124 and 218 in the axial direction, and the right protruding portion 212 and the right L-shaped support bar 32 are disposed in the axial direction. The holes 219 and 321 are provided in a number several times as large as the number of the protrusions 124 and 218, and the protrusions 124 and 218 are selectively fitted and positioned at various positions.

As shown in FIG. 6, the placing plate 3 is provided with fitting grooves 33 on both right and left sides thereof, so that a colored decorative plate 34 is fitted to enhance the aesthetics and enhance the commercial value. be able to. When using the embodiment of the present invention, as shown in FIGS. 2, 3 and 7, the guide piece 111 of the seat 11 is slid into the U-shaped rail 4 so that the entire stand is in the middle. Push it in or pull it out. Further, the swivel seat 12 is swung to adjust the left and right positions of the placing plate 3. Next, as shown in FIGS. 2 and 4, when adjusting the pivotal connecting angle of the swivel seat 12, the connecting body 21, and the placing plate 3, the push button 25 is pushed to move the coil spring 24 and the sleeve 23 to the left side. Put pressure on. When the push button 25 pushes the sleeve 23 against the protruding portion 212 or the L-shaped support bar 32, the push button 25 cannot be pushed any more. At this time, the shaft 22 is also moved to the left at the same time, and the positioning rod 223 is completely removed from the recessed hole 123 or 216. Therefore, the connecting body 21 and the placing plate 3 can be adjusted by moving them up and down and back and forth. When adjusting, the swivel seat 12 and the projection 124 or 218 of the connecting body 21 are fixed to the selected connecting angle of the pivot shaft by being fitted in the connecting body 21 and the hole 219 or 321 of the L-shaped support bar 32, respectively. Therefore, it is possible to prevent the connecting body 21 and the placing plate 3 from rapidly rotating downward. Next, when the finger pressing the push button 25 is released, the push button 25 is pushed to the right by the elasticity of the coil spring 24 and the shaft 22 is also moved to the right. Then, the positioning rod 223 of the shaft 22 is fitted into an appropriate recessed hole 123 or 216 to fix the pivot seat 12, the connecting body 21, and the mounting plate 3 at a position where the pivotal connecting angle is adjusted. Further, the swivel seat 12, the protrusion 124, and the protrusion 218 of the connecting body 21 are fitted in the holes 219 and 321, respectively, and the positioning rod 223 of the shaft 22 is fitted in the recessed hole 123 or 216 to balance the connecting forces on both sides. .

Next, as shown in FIGS. 8 to 10, when the pedestal 11 is directly fixed to the back surface of the top plate of the desk by screws, several connecting bodies 21, a shaft 22, a sleeve 23 and a coil spring 24 are provided. Can be pivotally connected in series. That is, the fitting portion 213 of one connecting body 21 is fitted between the left and right protruding portions 211 and 212 of another connecting body 21, the shaft 22 is penetrated into the connecting body 21, and the end of the shaft 22 is inserted. After fitting the sleeve 23 and coil spring 24, screw the push button 25 together. In this method, the distance that the placing plate 3 can extend outside the desk can be increased, and the vertical position of the placing plate 3 can be easily adjusted by the pivotal rotation of several connecting bodies 21. Further, since the vertical angle of the placing plate 3 can be adjusted to 180 ° or more, it can be widely applied to users having different heights.

In the keyboard stand according to the embodiment of the present invention, when the position of the stand is adjusted, the swivel seat 12 and the protrusions 124 and 218 of the connecting body 21 are immediately and separately fitted into the holes 219 and 312, respectively. Since it is fixed immediately, it is possible to prevent the connecting body 21 and the placing plate 3 being adjusted from rotating rapidly downward. Therefore, it is possible to prevent the keyboard from falling down.

When fixing the position of the placing plate, it is very easy because the positioning rod can enter the concave hole and reach the purpose by releasing the finger pressing the push button. In addition, there is no question as to how much it should be rotated to fix it unlike the conventional screw rotation method, and there is no wear that can be seen with the screw rotation method.

[0018]

[Effect of device]

 According to the present invention, it is possible to provide a keyboard stand on which the position of the stand plate can be adjusted and fixed by a simple operation.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a keyboard stand according to an embodiment of the present invention.

FIG. 2 is a side cross-sectional view of a keyboard holder according to an embodiment of the present invention.

FIG. 3 is a front cross-sectional view of a swivel portion of the keyboard stand according to the embodiment of the present invention.

FIG. 4 is a front cross-sectional view of a pivot connecting portion of the keyboard stand according to the embodiment of the present invention.

FIG. 5 is an enlarged view of a positioning rod and a concave hole of the shaft of the keyboard stand according to the embodiment of the present invention.

FIG. 6 is a front cross-sectional view when a decorative plate is attached to both sides of a base plate of a base of a keyboard according to an embodiment of the present invention.

FIG. 7 is a side view of the keyboard holder according to the embodiment of the present invention when the pivot connecting portion is adjusted and the keyboard holder is placed under the top plate of the desk.

FIG. 8 is a side cross-sectional view when several pivot connecting portions of the keyboard stand according to the embodiment of the present invention are continuously connected.

FIG. 9 is a side view showing how to adjust several pivotal connection parts of the pedestal of the keyboard according to the embodiment of the present invention.

FIG. 10 is a side view of the keyboard pedestal according to the embodiment of the present invention when several pivot connecting portions are adjusted to certain positions.

FIG. 11 is an exploded perspective view of a conventional keyboard stand.

FIG. 12 is a perspective view showing a combination of conventional keyboard stands.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 swivel part 11 base 111 guide piece 12 swivel seat 121 left side wall 122 right side wall 123 right side wall 123 concave hole 124 projection 2 pivotal connection part 21 connecting body 211 projecting part 212 projecting part 213 mating part 214 hole 215 left side plate 216 concave Hole 217 Right side plate 218 Protrusion 219 Hole 22 Shaft 221 Screw part 222 Head 223 Positioning bar 23 Sleeve 24 Coil spring 25 Push button 251 Screw hole 3 Stand 31 Left L-shaped support metal 311 Hole 32 Right L-shaped support metal 321 hole 33 fitting groove 34 decorative plate 4 U-shaped rail

Claims (4)

[Scope of utility model registration request] 1. A keyboard rest comprising a combination of a swivel unit, a rest plate, and a pivotal connecting unit, wherein the swivel unit comprises a seat and a swivel seat which can be swiveled by being connected under the seat. Two guide pieces that can be moved back and forth by being fitted in two parallel U-shaped rails that are fixed on the back surface of the desk top plate on the upper left and right sides of the pedestal by screws. It has left and right side walls that hang down on the left and right sides of the seat, a keyboard is placed on the placing plate, and L-shaped support bars having multiple holes on the left and right sides underneath are fixed with screws. Fits between the left and right L-shaped support bars at the front and two left and right protrusions that extend rearward on both left and right sides and are connected to the outer surfaces of the left and right side walls of the swivel seat of the swivel portion. And a left and right side wall or the left and right L-shaped support bars, Two shafts passing through the fitting portion, a sleeve and a coil spring fitted at the end of each shaft, a push button having a screw hole corresponding to the threaded portion at the end of each shaft, and a disk-shaped member of each shaft. A plurality of positioning rods provided at intervals inside the head in the axial direction, a plurality of holes provided at intervals at the left protruding portion, and a left side plate of the left side wall and the mating portion. The positioning bar has a hole several times as many as the positioning bar into which the positioning bar selectively fits, and when adjusting the mutual pivotal connection angle of the swivel seat, the connection body, and the placing plate, the two When pushing the push button to the left, the shaft and the coil spring are also pushed to the left, so that the positioning rod is completely removed from the recessed hole, and the connecting plate and the placing plate are swung to move the placing plate. Up and down The position can be adjusted, and if the finger pressing the push button is released, the coil spring pushes the push button to the right by its elasticity and the shaft screwed into the push button also moves to the right. Then, the positioning rod is fitted into the selected recessed hole, and the swivel seat, the connecting member and the placing plate are fixed at a new adjusted pivot connecting angle so that the placing plate is adjusted to an appropriate position. A keyboard stand characterized by being configured in. 2. The end of the positioning rod of the shaft, the left side wall, and the recessed hole of the left side plate of the fitting portion are all configured so that their outer edges have an inclination angle and are closely fitted to each other for positioning. Claim 1 characterized by the above.
Stand for the listed keyboard. 3. The right side wall of the swivel seat and the right side plate of the fitting portion of the connecting body have a plurality of protrusions spaced apart from each other, and the right protruding portion of the connecting body and the right L-shaped support bar. 2. The keyboard pedestal according to claim 1, wherein the pedestal has a number of holes, which are several times as many as the ridges and are spaced from each other, for selectively inserting and into the ridges. 4. The keyboard stand according to claim 1, wherein the stand plate has fitting grooves on both left and right sides into which colored decorative plates are fitted.